package org.example.service;

import org.example.domain.Book;
import com.baomidou.mybatisplus.extension.service.IService;

/**
* @author Administrator
* @description 针对表【t_book】的数据库操作Service
* @createDate 2024-07-08 17:19:21
*/
public interface BookService extends IService<Book> {

    Boolean stock(Integer id, Integer num);
}
